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參數(shù)資料
| 型號： | TVP5145 |
| 英文描述： | NTSC/PAL/SECAM/Component Digital Video Decoder With Macrovision(TM) Detection |
| 中文描述： | 的NTSC / PAL / SECAM制式/分量數(shù)字視頻解碼器通過Macrovision（TM）的檢測 |
| 文件頁數(shù)： | 23/92頁 |
| 文件大?。?/td> | 525K |
| 代理商： | TVP5145 |
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2
–
7
three zeros at 1/4, 2/4, and 3/4 of the horizontal line frequency. This should be used for PAL only because of its 90
U/V phase shifting from line to line. The comb filter can be selectively bypassed in the luma or chroma path. If the
comb filter is bypassed in the luma path, then chroma trap filters are used which are shown in Figure 2
–
11 through
Figure 2
–
14. TI
’
s patented adaptive comb filter algorithm reduces artifacts such as hanging dots at color boundaries,
and detects and properly handles false colors in high frequency luminance images such as a multiburst pattern or
circle pattern. Adaptive comb filtering is the recommended mode of operation. The complete comb filter selection is
shown in chrominance control #1 register (see Section 2.12.22).
f
–
Frequency
–
MHz
–
40
–
35
–
30
–
25
–
20
–
15
–
10
–
5
0
5
10
0
1
2
3
4
5
6
7
No Notch Filter
Notch3 Filter
Notch2 Filter
A
–
f
–
Frequency
–
MHz
0.0
0.2
0.4
0.6
0.8
1.0
0
1
2
3
4
5
A
–
4 line (1,1,1,1)/4
Figure 2
–
10. Comb Filters Frequency Response
Figure 2
–
11. Chroma Trap Filter Frequency
Response, NTSC Square Pixel Sampling
4 line (1,3,3,1)/8
3 line (1,2,1)/4
Notch1 Filter
f
–
Frequency
–
MHz
–
40
–
35
–
30
–
25
–
20
–
15
–
10
–
5
0
5
10
0
1
2
3
4
5
6
7
No Notch Filter
Notch3 Filter
Notch1 Filter
f
–
Frequency
–
MHz
–
40
–
35
–
30
–
25
–
20
–
15
–
10
–
5
0
5
10
0
1
2
3
4
5
6
7
A
–
A
–
Figure 2
–
12. Chroma Trap Filter Frequency
Response, NTSC ITU-R BT.601 Sampling
Figure 2
–
13. Chroma Trap Filter Frequency
Response, PAL ITU-R BT.601 Sampling
Notch2 Filter
No Notch Filter
Notch2 Filter
Notch1 Filter
Notch3 Filter
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5145EVM | 制造商:Texas Instruments 功能描述:TVP5145EVM - Bulk |
| TVP5145PFP | 功能描述:視頻 IC NTSC/PAL/SECAM/ Comp Dig Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TVP5146 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL / SECAM 4 X 10 BIT DIGITAL VIDEO DECODER WITH MACROVISION DETECTION YPBPR/RGB INPUTS 5 LINE COMB FILTER AND SCART SUPPORT |
| TVP5146_12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 4x10-Bit Digital Video Decoder With Macrovision?￡a Detection, YPbPr/RGB Inputs, 5-Line Comb Filter, and SCART Support |
| TVP5146EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5146 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
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